Questions - OpenCV Q&A Forum

1k

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1

answer

-2

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2016-07-29 01:51:03 -0600 berak

PLEASE HELP with opencv portable build

260

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no

answers

-1

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2018-03-07 20:32:37 -0600 aoczko01

Unknown crash when getting a double[] from a Mat

android

928

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no

answers

-1

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2017-02-20 14:06:23 -0600 Tomna

opencv SVM error -5 [closed]

3k

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1

answer

-1

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2015-11-11 05:18:06 -0600 pklab

Display webcam input in window

1k

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1

answer

-1

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2017-07-18 04:32:47 -0600 Eduardo

R200 Depth stream on opencv

11k

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2

answers

-1

votes

2017-06-28 13:48:16 -0600 lamiastella

OpenCV 3.2 Visual Studio .dlls missing

745

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no

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no

votes

2019-01-27 02:06:28 -0600 manoj4898

problem trying to build opencv-3.0.0

opencv#linux

414

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1

answer

-1

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2019-06-24 17:23:54 -0600 Tetragramm

How hard is it to only extract specific class and functions?

208

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1

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-1

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2014-02-05 02:52:45 -0600 StevenPuttemans

OpenCV : Build with lesser features

1k

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no

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no

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2018-04-13 10:59:56 -0600 Stefan Koenig

UMat multithreading issues when using producer-consumer pattern

840

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2

answers

no

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2019-09-03 06:42:38 -0600 supra56

Hi I'm using this code in pycharm and I have this error.please help me

python

483

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1

answer

-1

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2020-08-18 11:09:13 -0600 berak

Self contained (no root/sudo access) java build for RHEL, OEL 6.10

1k

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1

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-1

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2018-10-06 05:10:24 -0600 berak

When I trying to run the code below i am getting error

1k

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no

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no

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2019-08-16 15:26:53 -0600 Sempai

CvException

3k

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1

answer

-1

votes

2020-07-11 08:15:46 -0600 berak

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

java
opencv

260

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no

answers

no

votes

2019-03-17 20:50:00 -0600 supra56

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

1k

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1

answer

no

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2015-11-11 10:03:36 -0600 pklab

Image written to disk and retrieved are not the same

1k

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1

answer

no

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2016-03-05 08:52:22 -0600 txrxmo

How to use #include cvcam.h in opencv 3.0?

c++
opencv

603

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1

answer

no

votes

2016-06-14 11:07:04 -0600 berak

Uniform LBP - problem with histogram [C++]

c++

3k

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3

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no

votes

2020-10-22 00:55:25 -0600 sohamgandhi

VideoCapture device on Android

1k

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1

answer

no

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2014-05-16 09:36:17 -0600 deinspanjer

coin date ocr

250

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1

answer

no

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2016-02-26 08:46:07 -0600 kbarni

Undefined depth matrix [closed]

1k

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1

answer

no

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2014-08-05 01:56:41 -0600 Ziyou

Output of calcOpticalFlowFarneback

output#cOpticalFlow

2k

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1

answer

no

votes

2015-07-27 11:18:16 -0600 MdK8

Issue Masking Input Image to findContours [closed]

1k

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no

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no

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2015-12-01 02:23:13 -0600 saihv

SolvePNP consistently gives completely wrong results

1k

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2

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no

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2015-12-08 18:53:18 -0600 Vit

How can I increase the patch size of keypoints?

921

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no

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no

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2016-01-16 19:35:20 -0600 Tetragramm

Crash on loading Android OpenCV application

207

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no

answers

no

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2016-01-23 01:20:52 -0600 berak

Capture Mat copy to UMat fails on 32-bit app, works on 64-bit, timing?

opencl

1k

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no

answers

no

votes

2016-09-19 01:16:56 -0600 jys923

OpenCV + OpenGL: How to use SolvePnP Rotation and translation vector in OpenGL

290

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1

answer

no

votes

2016-11-12 01:02:12 -0600 aliyesami

running java class issue [closed]

java#opencv

574 questions

PLEASE HELP with opencv portable build

Unknown crash when getting a double[] from a Mat

opencv SVM error -5 [closed]

Display webcam input in window

R200 Depth stream on opencv

OpenCV 3.2 Visual Studio .dlls missing

problem trying to build opencv-3.0.0

How hard is it to only extract specific class and functions?

OpenCV : Build with lesser features

UMat multithreading issues when using producer-consumer pattern

Hi I'm using this code in pycharm and I have this error.please help me

Self contained (no root/sudo access) java build for RHEL, OEL 6.10

When I trying to run the code below i am getting error

CvException

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

Image written to disk and retrieved are not the same

How to use #include cvcam.h in opencv 3.0?

Uniform LBP - problem with histogram [C++]

VideoCapture device on Android

coin date ocr

Undefined depth matrix [closed]

Output of calcOpticalFlowFarneback

Issue Masking Input Image to findContours [closed]

SolvePNP consistently gives completely wrong results

How can I increase the patch size of keypoints?

Crash on loading Android OpenCV application

Capture Mat copy to UMat fails on 32-bit app, works on 64-bit, timing?

OpenCV + OpenGL: How to use SolvePnP Rotation and translation vector in OpenGL

running java class issue [closed]

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